Castle Biosciences (CSTL) Inventory (2018 - 2026)
Castle Biosciences (CSTL) posted Inventory of $10.58 million for Q2 2026, up 26.5% from $8.37 million a year earlier and up 1.1% from the prior quarter.
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Analysis
Castle Biosciences (CSTL) Inventory (2018 - 2026) Analysis & Trends
At the end of FY2025, Castle Biosciences' Inventory came in at $10.25 million, up 26.0% from FY2024.
- Annual Inventory has increased for four consecutive years, with a five-year compound annual growth rate of 35.8% (FY2020 to FY2025).
- In prior years, Castle Biosciences' Inventory was $8.14 million in FY2024 (+2.4%), $7.94 million in FY2023 (+99.5%), $3.98 million in FY2022 (+96.9%) and $2.02 million in FY2021 (-8.8%).
- The Q2 2026 figure stands as the highest quarterly Inventory in data going back to Q4 2018.
- On a year-over-year basis, Inventory has increased in each of the last five quarters, with growth averaging 18.4% over the last eight quarters.
- The strongest year-over-year quarter for Inventory in the past five years was Q4 2023, with growth of 99.5%; the weakest was Q1 2025, with a decline of 10.4%.
- According to Business Quant data, Inventory for the three prior quarters was $10.46 million (Q1 2026), $10.25 million (Q4 2025) and $8.65 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Inventory (Qtr) |
|---|---|---|---|---|---|
| 1 | HCA Healthcare | 101.22 Bn | 97.23 Bn | - | 1.66 Bn |
| 2 | Natera | 59.29 Bn | 54.98 Bn | 485.19 Mn | 80.35 Mn |
| 3 | Quest Diagnostics | 26.56 Bn | 24.69 Bn | 1.03 Bn | 233.00 Mn |
| 4 | Labcorp Holdings | 26.41 Bn | 24.16 Bn | 1.11 Bn | 562.20 Mn |
| 5 | Tenet Healthcare | 22.49 Bn | 11.49 Bn | - | 338.00 Mn |
| 6 | Guardant Health | 22.12 Bn | 18.19 Bn | 219.03 Mn | 105.46 Mn |
| 7 | BrightSpring Health Services | 12.91 Bn | 11.24 Bn | 492.75 Mn | 575.01 Mn |
| 8 | Fresenius Medical Care AG | 12.56 Bn | 4.51 Bn | 1.52 Bn | 2.66 Bn |
| 9 | Tempus AI | 12.17 Bn | 9.20 Bn | 246.50 Mn | 53.51 Mn |
| 10 | Castle Biosciences | 1.05 Bn | -67.48 Mn | 79.85 Mn | 10.58 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 10.58 Mn |
| Mar 31, 2026 | 10.46 Mn |
| Dec 31, 2025 | 10.25 Mn |
| Sep 30, 2025 | 8.65 Mn |
| Jun 30, 2025 | 8.37 Mn |
| Mar 31, 2025 | 6.85 Mn |
| Dec 31, 2024 | 8.14 Mn |
| Sep 30, 2024 | 6.57 Mn |
| Jun 30, 2024 | 8.01 Mn |
| Mar 31, 2024 | 7.65 Mn |
| Dec 31, 2023 | 7.94 Mn |
| Sep 30, 2023 | 5.77 Mn |
| Jun 30, 2023 | 6.12 Mn |
| Mar 31, 2023 | 4.52 Mn |
| Dec 31, 2022 | 3.98 Mn |
| Sep 30, 2022 | 3.80 Mn |
| Jun 30, 2022 | 3.37 Mn |
| Mar 31, 2022 | 2.35 Mn |
| Dec 31, 2021 | 2.02 Mn |
| Sep 30, 2021 | 2.38 Mn |
API Access
Castle Biosciences Inventory API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=inventory&ticker=CSTL&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "inventory", "ticker": "CSTL", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=inventory&ticker=CSTL&period=max&api_key=YOUR_API_KEY");
const data = await res.json();